鸡占52%鹅占18%鸭占30%,鸡的只数比鸭的只数多百分之几?
人气:427 ℃ 时间:2020-06-09 21:21:37
解答
因为52%+18%+30%=100%,所以不防设鸡、鸭、鹅共100只.
则鸡52只,鹅18只,鸭30只,鸡的只数比鸭的只数多22只,即多22/30=73.33%.
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